package com.shiloop.sensorsampler;

import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;

import java.util.ArrayList;


public class SensorSamplerActivity extends ActionBarActivity
        implements NavigationDrawerFragment.NavigationDrawerCallbacks {

    /**
     * Fragment managing the behaviors, interactions and presentation of the navigation drawer.
     */
    private NavigationDrawerFragment mNavigationDrawerFragment;

    /**
     * Used to store the last screen title. For use in {@link #restoreActionBar()}.
     */
    private CharSequence mTitle;

    private ArrayList<SensorWrapper> mSensorWrappers;

    private Sensor mSensor;

    private SensorManager sensorManager;

    private PlaceholderFragment mFragment;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sensor_sampler);

        mNavigationDrawerFragment = (NavigationDrawerFragment)
                getSupportFragmentManager().findFragmentById(R.id.navigation_drawer);
        mTitle = getTitle();

        // Set up the drawer.
        mNavigationDrawerFragment.setUp(
                R.id.navigation_drawer,
                (DrawerLayout) findViewById(R.id.drawer_layout));

        mSensorWrappers = mNavigationDrawerFragment.getSensorWrappers();

        sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
    }

    public void onResume() {
        super.onResume();
        if (null != mSensor) {
            sensorManager.registerListener(mFragment, mSensor, SensorManager.SENSOR_DELAY_UI);
        }
    }

    public void onPause() {
        super.onPause();
        if (null != mSensor) {
            sensorManager.unregisterListener(mFragment);
        }
    }

    @Override
    public void onNavigationDrawerItemSelected(int position) {
        // update the main content by replacing fragments
        FragmentManager fragmentManager = getSupportFragmentManager();
        mFragment = PlaceholderFragment.newInstance(position);
        fragmentManager.beginTransaction()
                .replace(R.id.container, mFragment)
                .commit();

        if (null != mSensorWrappers && null != getSensor(mSensorWrappers.get(position).getType())) {
            sensorManager.registerListener(mFragment, mSensor, SensorManager.SENSOR_DELAY_NORMAL);
        }
    }

    private Sensor getSensor(int type) {
        switch (type) {
            case Sensor.TYPE_ROTATION_VECTOR:
                mSensor = sensorManager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR);
                break;
            case Sensor.TYPE_GRAVITY:
                mSensor = sensorManager.getDefaultSensor(Sensor.TYPE_GRAVITY);
                break;
            case Sensor.TYPE_GYROSCOPE:
                mSensor = sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
                break;
            case Sensor.TYPE_ACCELEROMETER:
                mSensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
                break;
            case Sensor.TYPE_MAGNETIC_FIELD:
                mSensor = sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
                break;
        }
        return mSensor;
    }

    public void onSectionAttached(int number) {
        try {
            mTitle = mSensorWrappers.get(number).toString();
        } catch (NullPointerException e) {

        }
    }

    public void restoreActionBar() {
        ActionBar actionBar = getSupportActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setTitle(mTitle);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        if (!mNavigationDrawerFragment.isDrawerOpen()) {
            // Only show items in the action bar relevant to this screen
            // if the drawer is not showing. Otherwise, let the drawer
            // decide what to show in the action bar.
            getMenuInflater().inflate(R.menu.sensor_sampler, menu);
            restoreActionBar();
            return true;
        }
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        if (R.id.action_switch_view == id) {
            mFragment.switchView();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

}
